Spontaneous Magnetic Alignment by Yearling Snapping Turtles: Rapid Association of Radio Frequency Dependent Pattern of Magnetic Input with Novel Surroundings

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dc.contributor.authorLandler, Lukasen
dc.contributor.authorPainter, Michael Scotten
dc.contributor.authorYoumans, Paul W.en
dc.contributor.authorHopkins, William A.en
dc.contributor.authorPhillips, John B.en
dc.contributor.departmentBiological Sciencesen
dc.contributor.departmentFish and Wildlife Conservationen
dc.date.accessioned2017-02-20T00:40:12Zen
dc.date.available2017-02-20T00:40:12Zen
dc.date.issued2015-05-15en
dc.description.abstractWe investigated spontaneous magnetic alignment (SMA) by juvenile snapping turtles using exposure to low-level radio frequency (RF) fields at the Larmor frequency to help characterize the underlying sensory mechanism. Turtles, first introduced to the testing environment without the presence of RF aligned consistently towards magnetic north when subsequent magnetic testing conditions were also free of RF (‘RF off → RF off’), but were disoriented when subsequently exposed to RF (‘RF off → RF on’). In contrast, animals initially introduced to the testing environment with RF present were disoriented when tested without RF (‘RF on → RF off’), but aligned towards magnetic south when tested with RF (‘RF on → RF on’). Sensitivity of the SMA response of yearling turtles to RF is consistent with the involvement of a radical pair mechanism. Furthermore, the effect of RF appears to result from a change in the pattern of magnetic input, rather than elimination of magnetic input altogether, as proposed to explain similar effects in other systems/organisms. The findings show that turtles first exposed to a novel environment form a lasting association between the pattern of magnetic input and their surroundings. However, under natural conditions turtles would never experience a change in the pattern of magnetic input. Therefore, if turtles form a similar association of magnetic cues with the surroundings each time they encounter unfamiliar habitat, as seems likely, the same pattern of magnetic input would be associated with multiple sites/localities. This would be expected from a sensory input that functions as a global reference frame, helping to place multiple locales (i.e., multiple local landmark arrays) into register to form a global map of familiar space.en
dc.description.versionPublished versionen
dc.format.extent13 pagesen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLandler L, Painter MS, Youmans PW, Hopkins WA, Phillips JB (2015) Spontaneous Magnetic Alignment by Yearling Snapping Turtles: Rapid Association of Radio Frequency Dependent Pattern of Magnetic Input with Novel Surroundings. PLoS ONE 10(5): e0124728. doi:10.1371/journal. Pone.0124728en
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0124728en
dc.identifier.issn1932-6203en
dc.identifier.issue5en
dc.identifier.urihttp://hdl.handle.net/10919/75069en
dc.identifier.volume10en
dc.language.isoenen
dc.publisherPLOSen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000354916100018&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectnewt notophthalmus-viridescensen
dc.subjectphotoreceptor-based magnetoreceptionen
dc.subjectloggerhead sea-turtlesen
dc.subjectcompass orientationen
dc.subjectbird navigationen
dc.subjectlighten
dc.subjectfielden
dc.subjectmodelen
dc.subjectcryptochromeen
dc.subjectdrosophilaen
dc.titleSpontaneous Magnetic Alignment by Yearling Snapping Turtles: Rapid Association of Radio Frequency Dependent Pattern of Magnetic Input with Novel Surroundingsen
dc.title.serialPLOS ONEen
dc.typeArticle - Refereeden
dc.type.dcmitypetexten
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Scienceen
pubs.organisational-group/Virginia Tech/Science/Biological Sciencesen
pubs.organisational-group/Virginia Tech/Science/COS T&R Facultyen

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